easyMultiple ChoiceObjective-mapped
300-410 Practice Question: Runs the following command to troubleshoot an…
A network engineer runs the following command to troubleshoot an Administrative Distance issue:
R1# show ip route 10.0.0.0 255.0.0.0
Routing entry for 10.0.0.0/8 Known via "static", distance 1, metric 0 Redistributing via eigrp 100 Last update from 10.1.1.2 on GigabitEthernet0/0, 00:00:05 ago Routing Descriptor Blocks:
* 10.1.1.2, from 10.1.1.2, 00:00:05 ago, via GigabitEthernet0/0
Route metric is 0, traffic share count is 1
What does this output indicate?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
The route is a static route with administrative distance 1, which is the default for static routes pointing to an interface.
The output shows a static route with administrative distance 1, which is the default for static routes. This route is being redistributed into EIGRP.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
The route is a static route with administrative distance 1, which is the default for static routes pointing to an interface.
Why this is correct
The static route’s administrative distance of 1 matches the default value for a static route configured with an exit interface rather than a next-hop IP address, because Cisco IOS assigns distance 1 to interface-based static routes and distance 0 to directly connected routes. This output satisfies the constraint that the route is “known via static” with distance 1, confirming the engineer is troubleshooting an AD mismatch.
- ✗
The route is an EIGRP route with administrative distance 90.
Why it's wrong here
The route is known via static, not EIGRP.
- ✗
The route is being redistributed from EIGRP into static.
Why it's wrong here
The output says 'Redistributing via eigrp 100', meaning static is being redistributed into EIGRP.
- ✗
The route has an administrative distance of 170 because it is external.
Why it's wrong here
The AD is 1, not 170.
Quick reference
Routing Protocol Comparison
| Protocol | Metric | Max Hops | Algorithm | Type |
|---|---|---|---|---|
| RIP v2 | Hop count | 15 | Bellman-Ford | Distance vector |
| OSPF | Cost (bandwidth) | Unlimited | Dijkstra (SPF) | Link state |
| EIGRP | Composite metric | Unlimited | DUAL | Hybrid |
| IS-IS | Cost | Unlimited | Dijkstra | Link state |
| BGP | Policy / attributes | Unlimited | Path vector | Path vector |
RIP's 15-hop limit makes it unsuitable for large networks. OSPF and EIGRP dominate modern enterprise deployments.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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